1) tunnel axis
隧洞轴线
2) tunnel centre line
隧洞中线
1.
This paper introduces a kind of new method of determining tunnel centre line——assumed azimuth horizontal observation method.
本文介绍了一种测定隧洞中线的新方法——拟定方位平面观测法。
4) tunnel axes
洞轴线
1.
Applying the fractal geometry,it have been indicated that the overbreak-underbreak curve of tunnel has a self-similarity,and the fractal dimension of the overbreak-underbreak of tunnel is the function of structure of rock mass and the tunnel axes.
从分形几何角度分析,隧道围岩超欠挖具有自相似性,对于一定洞径的隧道,隧道围岩超欠挖曲线分形维数是岩体结构和洞轴线的函数。
5) tunnels on the west line of south-to-north water diversion project
西线引水隧洞
6) Subterranean bottom cross line culvert
隧底跨线涵洞
补充资料：DNA分子花窗(沿B―DNA轴线方向看)
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条